摘要
通过研究连续3年施用土壤调理剂硅钙钾镁肥对蜜柚产量、品质和土壤性状的影响,了解硅钙钾镁肥的合理用量,为科学施用提供理论依据。结果表明,施用硅钙钾镁肥3年,虽然受蜜柚树体本身差异以及大小年(2015年为高产年)的影响,各年度大部分处理的蜜柚产量均有不同程度的提高,对蜜柚个数和裂果率影响不大。施入不同用量的硅钙钾镁肥能不同程度提高蜜柚Vc含量、可溶性糖含量,总酸含量变化不明显,酸度平均值呈现下降趋势,糖酸比差异并不显著。3年施用硅钙钾镁肥能提高土壤p H值、有效磷、速效钾、交换性钙和交换性镁含量,增强土壤抗酸化能力。考虑到成本因素,硅钙钾镁肥以750 kg/hm^2的用量对蜜柚增产效果及品质最好。
The authors studied the effects of 3-year continuous application of silicon calcium potassiummagnesium fertilizer on yield,quality of honey pomelo and soil properties,to understand the reasonableapplication amount of silicon calcium potassium magnesium fertilizer.The results showed that,with theapplication of silicon calcium potassium magnesium fertilizer for 3 years,although affected by tree itself andthe major and minor year（high yield in 2015）,honey pomelo yield was improved at different degrees each year,and the fertilizer had little effect on honey pomelo number and fruit cracking rate.Application of siliconcalcium magnesium potassium fertilizer could increase the Vc content and soluble sugar content of honeypomelo to different extents.The total acid content of honey pomelo did not change significantly,but the averagetotal acid decreased.The sugar/acid ratio of honey pomelo did not differ significantly between the treatmentsand the control.The application of silicon calcium magnesium potassium fertilizer could improve soil pH value,available phosphorus,available potassium,exchangeable calcium and magnesium content,enhance soilantioxidant ability.In conclusion,considering the cost,the yield and quality of honey pomelo were the bestwhen the application amount of silicon calcium potassium magnesium fertilizer was 750 kg/hm^2.
作者
栗方亮
张青
王煌平
安梦鱼
罗涛
Li Fangliang1,2,3, Zhang Qing1,2, Wang Huangping1, An Mengyu1,4, Luo Tao1(1Institute of Soil and Fertilizer, Fujian Academy of Agricultural Sciences, Fuzhou 350013; ~State Key Laboratory of Nutrition Resources Integrated Utilization , Kingenta Ecological Engineering Group Co., Ltd., Linshu Shandong 276700; 3State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008; ＊College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou 35000)
出处
《中国农学通报》
2018年第6期39-44,共6页
Chinese Agricultural Science Bulletin
基金
复合肥料国家地方联合工程研究中心项目"酸性土壤障碍因子修复技术集成与示范"
土壤与农业可持续发展国家重点实验室(中国科学院南京土壤研究所)开放基金"东南地区稻田土壤中菌渣的转化过程及生物效应"(Y412201437)
福建省属公益类基本科研专项"基于PLC的液肥智能化生产线工控系统研发"(2015R1022-8)
关键词
土壤调理剂
蜜柚
VC
土壤性状
硅钙钾镁肥
soil amendment
honey pomelo
Vc
soil properties
silicon calcium potassium magnesium fertilizer
